Grab bar



FIG. 1 is a perspective view of our grab bar;

FIG. 2 is a right side elevation view;

FIG. 3 is a left side elevation view;

FIG. 4 is a front elevation perspective view;

FIG. 5 is a rear elevation perspective view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

The broken lines in FIGS. 1 through 5 and 7 show environmental structureonly and form no part of the claimed design.

The ornamental design for a grab bar, as shown and described.